MESON Chess Problem Database

Problem Display
PID: 142382 (8/n4Qp1/8/2p1N1P1/1Bprk3/3RrNP1/b3p2K/b1qn3B w - - 0 1)

Winter-Wood, Edward John

La Strategie, 1901

8/n4Qp1/8/2p1N1P1/1Bprk3/3RrNP1/b3p2K/b1qn3B

#2

9 + 12

15254 EJWW Scrapbook 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Rd5
      • 2.Qg6#
      • 2.Qf4#
    • 1...Rd6
      • 2.Qf4#
    • 1...Rd7
      • 2.Qg6#
      • 2.Qf4#
    • 1...Rd8
      • 2.Qg6#
      • 2.Qf4#
  • Tries
    • 1.Sxd4+?
      • 1...Kxe5
        • 2.Qd5#
        • 2.Qe6#
        • 2.Qf4#
        • 2.Qc7#
        • 2.Qe7#
      • 1...Rf3!
    • 1.Sh4+?
      • 1...Kxe5
        • 2.Qe7#
      • 1...Rf3!
    • 1.Qe6?
      • threat
        • 2.Sd2#
      • 1...Rexd3
        • 2.Sxc4#
        • 2.Sg4#
        • 2.Sc6#
        • 2.Sg6#
        • 2.Sd7#
        • 2.Sf7#
      • 1...Rxf3
        • 2.Bxf3#
      • 1...Qd2
        • 2.Sxd2#
      • 1...Rdxd3!
  • Keys
    • 1.Sd7!
      • threat
        • 2.Sxc5#
      • 1...Kxd3
        • 2.Se1#
      • 1...Rexd3
        • 2.Qe6#
      • 1...Rxf3
        • 2.Qxf3#
      • 1...Rxd7
        • 2.Qg6#
      • 1...cxd3
        • 2.Sd2#
      • 1...cxb4
        • 2.Sc5#
      • 1...Rd5
        • 2.Qxd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 1
  • Sets
    • R(h);::QAR1(I)
  • Tries
    • Try
      • S(D);CHECK,XR(h)
      • Refutation
        • R(f);P_SPINR(f)
    • Try
      • S(D);CHECK
      • Vars
        • K(i);P-FLIGHT,XS(G)::QAR2(I)
      • Refutation
        • R(f);P_SPINR(f)
    • Try
      • Q(I);
      • Threat
        • B(A)+S(D),DCHECK
      • Vars
        • R(f);OGATE,P_SPINR(f),XS(D)::B(A),XR(f)
        • Q(b);::B(A)+S(D),DCHECK,XQ(b)
      • Refutation
        • R(h);XR(C)
  • Actual
    • S(G);
    • Threat
      • S(G),XP(j)
    • Vars
      • K(i);S_FLIGHT,XR(C)::S(D)
      • R(f);SBLOCK,XR(C)::QAR2(I)
      • R(f);OGATE,P_SPINR(f),XS(D)::QAB1(I),XR(f)
      • R(h);XS(G)::QAB(I)
      • P(g);SBLOCK,XR(C)::B(A)+S(D),DCHECK
      • P(j);XB(F)::S(G)
      • R(h);N_GUARD::QAB1(I),XR(h)
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